Azem Khamis. 2549. The use of response surface analysis in obtaining maximum profit in oil palm industry. Bangkok:Prince of Songkla University;
Azem Khamis. (2549) The use of response surface analysis in obtaining maximum profit in oil palm industry (รายงานผลงานวิจัย). Prince of Songkla University:Bangkok.
Azem Khamis. The use of response surface analysis in obtaining maximum profit in oil palm industry. Bangkok:Prince of Songkla University, 2549.
Azem Khamis. (2549) The use of response surface analysis in obtaining maximum profit in oil palm industry (รายงานผลงานวิจัย). Prince of Songkla University:Bangkok.